Ford Sierra/Sapphire/RS500 Cosworth This forum is for discussion of all things pertaining to the Ford Sierra Cosworth.

spark gaps

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Old Oct 27, 2008 | 06:41 PM
  #1  
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From: derby
Default spark gaps

ive ordered some 071 for my saph its running light blues/t34 28psi group a coil what is the recomended gap for plugs that you use cheers
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Old Oct 27, 2008 | 06:48 PM
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From: In my Cosworth
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I would've thought 0.7mm would be OK for that...wait for a few more replies though
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Old Oct 27, 2008 | 07:10 PM
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From: Derby
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iirc these plugs are better at .6mm with dizzy set-up and the gap is measured with feeler at 45degree angle. larger gap with coil conversion mind.
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Old Oct 27, 2008 | 07:24 PM
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I used 0.65mm on mine with group a coil, but 0.5mm on my coilpack, as higher boost.
tabetha
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Old Oct 27, 2008 | 07:32 PM
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From: Shutting down jap crap
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0.65mm on coil
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Old Oct 27, 2008 | 07:33 PM
  #6  
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From: derby
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thanks for the replies hopefully here 2morow and get them set and hopefully misfire will be cured cheers
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